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http://issues.apache.org/bugzilla/show_bug.cgi?id=32921 ------- Additional Comments From [EMAIL PROTECTED] 2005-06-20 22:14 ------- (In reply to comment #12) > Paul, > What was the status with this code - its been a while since you posted it. It's working nicely for me. > I've got some extensions which could be added here: > * BitSet and IntArray based implementations of DocNrSkipper These would be useful because they have different tradeoffs in memory use and runtime. > * OrDocNoSkipper and AndDocNoSkipper wrapper implementations which both take 2 > DocNrSkippers in their constructor and offer "OR" or "AND" based iteration > across the sets' intersections. These are DocNrSkipper implementations too so > can be arbitrarily nested within each other (like BooleanQuery does). In case you prefer DocNoSkipper or something else I don't mind. Using both DocNo and DocNr in names will cause confusion, though. The OrDocNoSkipper and AndDocNoSkipper would be good to implement constant scoring queries. The top level OR iterator could then be implemented by iterating on the DocNrSkippers separately into a BitSet. Did you also consider more than two arguments to these AND and OR iterators? For completeness a "NOT" based iteration would also be needed, but that can be added when needed. I'm interested in extending QueryParser to use these mechanisms on 'boolean' fields like dates and primary keys. To easily implement boolean operations with a constant scoring term, a "close relative" of TermScorer might directly implement the Doc{No/Nr}Skipper interface. Any opinions on a: class TermConstantScorer extends Scorer implements DocNrSkipper { ... } ? It might also be good to put all new things related to skipping filters and constant scoring queries in (a) new subpackage(s) of org.apache.lucene.search. Regards, Paul Elschot -- Configure bugmail: http://issues.apache.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
